Study on the Stability of Edible Roselle Red Pigment （1） 2021-04-29
Spectral characteristics of roselle（Hibiscus) red pigmentIt can be seen from Figure 1 that the maximum absorption wavelength of the roselle red pigment measurement solution is 520nm.Some Factors that affect the stability of Roselle red pigment: pH value (See Table 1); The Roselle Red Pigment is most
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